/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraEmitterHandle.h
Sets the display name for this emitter in the System. The system is needed here in order to ensure uniqueness of the name.
void SetName ( [FName](API\Runtime\Core\UObject\FName) InName, [UNiagaraSystem](API\Plugins\Niagara\UNiagaraSystem) & InOwnerSystem )